Open-source alternatives guide · Updated 2026
Compare the best free and open-source alternatives to Voiceflow — 8 verified projects with explicit catalog relationships. Inspect licenses, GitHub activity, self-hosting signals, and migration fit before you switch.
Only explicit alternative relationships are shown—never inferred competitor claims.
This guide compares 8 verified open-source alternatives to Voiceflow, including Langflow, LiveKit, Parlant, and Botpress.
Projects appear across AI & Machine Learning and Infrastructure. 1 option includes a self-hosting signal — see the self-hosted catalog. Ranking follows public GitHub stars and recorded momentum—not vendor marketing. Compare projects side by side, then confirm license fit, migration effort, and operational ownership before adopting any option.
Strongest repository-activity signal: Langflow · Jump to ranking · 152.6K stars
Proprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, repository activity, and self-hosting options befo
Compare capabilities, licensing, and ownership model. Stars help with discovery; they are not a security or product-fit guarantee.
Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
Langflow is a powerful tool for building and deploying AI-powered agents and workflows. Review the official repository, license, release activity, and deployment documentation befo
Open-source alternative to Voiceflow
End-to-end realtime stack for connecting humans and AI
End-to-end realtime stack for connecting humans and AI Review the official repository, license, release activity, and deployment documentation before production adoption.
Open-source alternative to Voiceflow
Build reliable customer-facing AI agents with Parlant: an interaction control harness optimized for controlled, consistent, and predictable LLM interactions.
Build reliable customer-facing AI agents with Parlant: an interaction control harness optimized for controlled, consistent, and predictable LLM interactions. Review the official re
Open-source alternative to Voiceflow
The open-source hub to build & deploy GPT/LLM Agents ⚡️
The open-source hub to build & deploy GPT/LLM Agents ⚡️ Review the official repository, license, release activity, and deployment documentation before production adoption.
Open-source alternative to Voiceflow
💬 Typebot is a powerful chatbot builder that you can self-host.
💬 Typebot is a powerful chatbot builder that you can self-host. Review the official repository, license, release activity, and deployment documentation before production adoption.
Open-source alternative to Voiceflow
Hexabot v3 is an AI workflow automation platform, combining workflows, actions, agents, and conversational channels in one runtime.
Hexabot v3 is an AI workflow automation platform, combining workflows, actions, agents, and conversational channels in one runtime. Review the official repository, license, release
Open-source alternative to Voiceflow
Jarvis AI Assistant - Voice-powered AI assistant for Mac
Jarvis AI Assistant - Voice-powered AI assistant for Mac Review the official repository, license, release activity, and deployment documentation before production adoption.
Open-source alternative to Voiceflow
Tiledesk is the open source AI agent builder, written in Node.js and Angular. This repository is dedicated to the WebApp dashboard to manage Tiledesk: open-source alternative to Voiceflow, enabling easy creation of advan
Tiledesk is the open source AI agent builder, written in Node.js and Angular. This repository is dedicated to the WebApp dashboard to manage Tiledesk: open-source alternative to Vo
Map must-have capabilitiesList the workflows in Voiceflow you cannot drop during migration.
Verify the licenseConfirm it fits your use, distribution, and compliance model. Browse license briefs.
Run a proof of conceptTest real data, integrations, clients, and failure modes. Use Compare for side-by-side checks.
Plan ownershipAssess upgrades, backups, support, and an exit path. Read when self-hosting is worth it.
OpenSourceChoice currently lists 8 projects with an explicit alternative relationship to Voiceflow. Catalog highlights include Langflow, LiveKit, and Parlant. Rankings follow public GitHub stars and recorded momentum—not paid placement. Match capabilities and license fit to your workflow before adopting any option.
Most catalogued alternatives publish source under OSI or source-available licenses and are free to inspect. Hosting, commercial support, or cloud model APIs may still cost money. Always read the project license for your use case.
1 option in this list carry a self-hosting signal. Confirm the official install guide, backups, upgrades, and hardening steps before production.
Map must-have Voiceflow workflows, verify license and compliance fit, run a proof of concept with real data and integrations, then plan ownership for upgrades, backups, support, and an exit path.
Narrow the same alternatives by search, license, tags, or self-hosting signals when you need a tighter shortlist.
Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.#
PythonProjects tagged with this topic in the verified catalog.
Github ActionsProjects tagged with this topic in the verified catalog.
JavaScriptProjects tagged with this topic in the verified catalog.AI-nativeThis project includes AI-native capability signals in the catalog metadata.VoiceflowProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…End-to-end realtime stack for connecting humans and AI
AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.#
GoProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.
BashProjects tagged with this topic in the verified catalog.
Self-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.AI-nativeThis project includes AI-native capability signals in the catalog metadata.VoiceflowProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…Build reliable customer-facing AI agents with Parlant: an interaction control harness optimized for controlled, consistent, and predictable LLM interactions.
AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.#PythonProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.AI-nativeThis project includes AI-native capability signals in the catalog metadata.VoiceflowProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…The open-source hub to build & deploy GPT/LLM Agents ⚡️
AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.#
TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.AI-nativeThis project includes AI-native capability signals in the catalog metadata.VoiceflowProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…💬 Typebot is a powerful chatbot builder that you can self-host.
InfrastructureOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.VoiceflowProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…Hexabot v3 is an AI workflow automation platform, combining workflows, actions, agents, and conversational channels in one runtime.
AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.AI-nativeThis project includes AI-native capability signals in the catalog metadata.VoiceflowProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…Jarvis AI Assistant - Voice-powered AI assistant for Mac
AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.
NodeJSProjects tagged with this topic in the verified catalog.AI-nativeThis project includes AI-native capability signals in the catalog metadata.VoiceflowProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…Tiledesk is the open source AI agent builder, written in Node.js and Angular. This repository is dedicated to the WebApp dashboard to manage Tiledesk: open-source alternative to Voiceflow, enabling easy creation of advan
AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.#TypeScriptProjects tagged with this topic in the verified catalog.Github ActionsProjects tagged with this topic in the verified catalog.JavaScriptProjects tagged with this topic in the verified catalog.AI-nativeThis project includes AI-native capability signals in the catalog metadata.VoiceflowProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…
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